feat: add angle_extended as a supported model

[AlexanderFengler]

Adds angle_extended — the angle model with drift bounds widened to (−6, 6) — as a built-in.

• New src/hssm/modelconfig/angle_extended_config.py; registered in SupportedModels, both constructor docstrings, and the docs model table.
• Bounds are the network's training box from the ssms registry: v (−6, 6), a (0.3, 3), z (0.1, 0.9), t (0.001, 2), theta (−0.1, 1.3).
• test_config_matches_ssms_registry extended to cover it — list_params order, choices, and the bounds dict are asserted against ssms.config.model_config element-for-element.
• Raises the ssm-simulators floor to >=0.14.0 — the first release containing angle_extended (v0.13.2 predates it), so without the bump a pip user could hold a registered model the simulator doesn't know.

Ordering note: angle_extended.onnx is on franklab/HSSM_staging (commit 05feb708) with a passing 240-fit recovery report bound to the artifact; the production promote to franklab/HSSM is queued behind this PR's review, same sequence as gamma_drift_angle (#1296). Recommend merging this only once the promote lands, for the same clean-install-404 reason CodeRabbit raised on #1296.

Testing: 944 passed (fast suite) against released ssm-simulators 0.14.0; repo-root ruff unchanged (10 pre-existing notebook findings on main, none in these files).

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Summary by CodeRabbit

• New Features

  • Added support for the angle_extended model.
  • Added the model’s configurable parameters, response choices, likelihood, and parameter bounds.
  • Added documentation describing the model and its available likelihood kind.

• Maintenance

  • Updated the minimum supported ssm-simulators version to 0.14.0.

[coderabbitai]

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📥 Commits

Reviewing files that changed from the base of the PR and between b0f6ba1 and 82f616b.

📒 Files selected for processing (7)

• docs/reference/models-and-likelihoods.md
• pyproject.toml
• src/hssm/_types.py
• src/hssm/base.py
• src/hssm/hssm.py
• src/hssm/modelconfig/angle_extended_config.py
• tests/test_modelconfig.py

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📝 Walkthrough

Walkthrough

The change adds angle_extended to the supported model types, defines its default configuration and bounds, validates it against ssm-simulators, updates the dependency requirement, and documents the model.

Changes

Angle Extended Model Support

Layer / File(s)	Summary
Model configuration and registry validation pyproject.toml, src/hssm/_types.py, src/hssm/modelconfig/angle_extended_config.py, tests/test_modelconfig.py	Adds the angle_extended model configuration with its ordered parameters, choices, bounds, ONNX-backed approx_differentiable likelihood, and registry validation. Updates the minimum ssm-simulators version to 0.14.0.
Model documentation docs/reference/models-and-likelihoods.md, src/hssm/base.py, src/hssm/hssm.py	Adds angle_extended to the built-in model catalog and supported-model documentation.

Estimated code review effort: 2 (Simple) | ~10 minutes

Merge Risk: ⚪ Minimal · up to 82f61

This change adds the angle_extended model with its supported bounds and documentation. Registry validation covers its parameter contract, and no merge-blocking risk remains.

Suggested reviewers: digicosmos86, cpaniaguam

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 66.67% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 3 functions across 5 files. (2 skipped: 2…	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely identifies the primary change: adding angle_extended as a supported model.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

Docstring coverage is 66.67% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 3 functions across 5 files. (2 skipped: 2 unsupported.)

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✨ Finishing Touches 💡 1

📝 Generate docstrings 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feat/angle-extended-model

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